(19)
(11) EP 3 732 521 A1

(12)

(43) Date of publication:
04.11.2020 Bulletin 2020/45

(21) Application number: 19743764.3

(22) Date of filing: 25.01.2019
(51) International Patent Classification (IPC): 
G02B 7/00(2006.01)
G02B 23/16(2006.01)
(86) International application number:
PCT/CA2019/050092
(87) International publication number:
WO 2019/144235 (01.08.2019 Gazette 2019/31)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 26.01.2018 US 201862622815 P
18.04.2018 US 201862659597 P
29.10.2018 US 201862752330 P

(71) Applicant: Shen, Dar-Tson
North Vancouver, British Columbia V7L 0E6 (CA)

(72) Inventor:
  • Shen, Dar-Tson
    North Vancouver, British Columbia V7L 0E6 (CA)

(74) Representative: von Hirschhausen, Helge 
Grosse - Schumacher - Knauer - von Hirschhausen Patent- und Rechtsanwälte Nymphenburger Straße 14
80335 München
80335 München (DE)

   


(54) TELESCOPES AND OTHER OPTICAL INSTRUMENTS WITH VISUALLY ACCESSIBLE OPTICAL COMPONENTS